Unreal Engine Issues
Unreal Engine Issues
Crash launch application adding .umap url
UE - Foundation - Core - Aug 6, 2020The application crashes when adding ".umap" to the launch map at application launch. If not specify ".umap", it will be able to launch application. There appears to be a failure to parse the URL. Th ...
FLinearColor ignores Blue in slate code
UE - Editor - UI Systems - Slate - Jan 17, 2017When FLinearColor is used inside slate code, the third vector value is ignored. This causes FLinearColor(1,1,1) to produce the same color as FLinearColor(1,1,0). This also causes FLinearColor::Blu ...
When ParallelExecutor is enabled, Japanese build output of VisualStudio garbled
UE - Foundation - Cpp Tools - Sep 19, 2018From UE4.20, Japanese build output of VisualStudio garbled. Below is a comparison between 4.19 and 4.20. ・4.19.2 1>------ すべてのリビルド開始: プロジェクト:MyProject3, 構成:Development_Editor x64 ------ 1> Clea ...
Error launching onto HTML5: "Expression (0) failed in \Engine\Source\Runtime\Core\Private\Async\TaskGraph.cpp:428!"
UE - Platform - Mobile - May 9, 2017This is launching on to Firefox 53.0.2 (64-bit) and also occurs in Main. Error message:uncaught exception: ASM_CONSTS<@blob:http://localhost:53501/4354ee7b-de4a-419b-b0bc-5d58ff557ed2:1:38655 _emsc ...
Projects crash when launching onto Firefox 64-bit
UE - Platform - Mobile - May 8, 2017QAGame crashes when it launched onto Firefox. The following exception occurs with the error message:*Expression (0) failed in D:\UE4_Dev-Rendering\Engine\Source\Runtime\Core\Private\Async\TaskGraph ...
Rendering glitch when launching on Android
UE - Platform - Mobile - Aug 2, 2016https://answers.unrealengine.com/questions/462957/rendering-glitch-when-launching-on-android-ue413-p.html I was able to repro it on Nexus5 with Android 5.1.1. ...
When adding the UIRenderer to the Movie Render Queue, the rendering output is a difference in PIE and MRQ.
UE - Anim - Sequencer - MRQ - Dec 5, 2023UI rendering in PIE and UIrenderer rendering in MRQ produce different output results. This is because when dealing with fades in the UI, the rendering results should not be different. Workaround ...
Using the "Keep World" scale rule can result in incorrect relative location when attaching actors
UE - Gameplay - Components - Dec 9, 2022This seems to happen due to a precision error when calculating the relative transform between the socket and the component being attached. Occasionally, one of the transforms will have a scale of (0 ...
Deleting a spline point of a spline blueprint then moving crashes editor
Tools - Jul 7, 2015If you delete an end point of a spline blueprint and then attempt to move the blueprint the editor will freeze and eventually crash. Frequency: 1/1 CrashReporter: [Link Removed] ...
InstancedStaticMeshes disappear in Shipping builds on mobile when affected by dynamic point lights
UE - Platform - Mobile - Aug 22, 2019This ticket is to add the safe workaround for 4.23.1, with a more optimal fix coming in 4.24. ...